using System.Diagnostics;   

​

public class Program

{

​

    public static void Main()

    {

        var startInfo = new ProcessStartInfo()

        {

            FileName = "cmd.exe",

        };

        using (var p = new Process() { StartInfo = startInfo })

        {

            p.Start();

            p.WaitForExit();

        }

    }

}